| article html file updated | 7 February 2020 22:42 CET | Update | https://www.mdpi.com/2073-4433/8/2/29 |
| article html file updated | 23 September 2019 04:04 CEST | Update | - |
| article html file updated | 4 May 2019 12:39 CEST | Update | - |
| article html file updated | 28 February 2017 11:02 CET | Update | - |
| article html file updated | 5 February 2017 04:02 CET | Original file | - |
| article xml uploaded. | 5 February 2017 04:01 CET | Update | https://www.mdpi.com/2073-4433/8/2/29/xml |
| article xml uploaded. | 5 February 2017 04:01 CET | Original file | - |
| article pdf uploaded. | 5 February 2017 04:01 CET | Version of Record | https://www.mdpi.com/2073-4433/8/2/29/pdf |
